<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <link rel="stylesheet" href="static/plugins/bootstrap-3.4.1/css/bootstrap.css">
</head>
<body>
    <div>
        <div class="col-sm-offset-2" style="background-color: red">1</div>
    </div>
</body>
</html>